Gearbox oil Subaru Outback BS manual TR690 — viscosity and OEM spec
Gearbox oil for Subaru Outback BS manual TR690 (2014–2019) — correct viscosity, OEM specification, fill volume and change interval.
Gearbox Specifications
| Parameter | Value |
|---|---|
| Make / Model | Subaru Outback BS manual |
| Gearbox type | manual |
| Gearbox code | TR690 |
| Production Years | 2014–2019 |
| Oil viscosity | 75W-90 |
| OEM specification | Subaru Extra MT 75W-90 |
| Fill volume | 2.6 L |
| Change interval | 120000 |
“Lifetime” fill in DSG and CVT gearboxes does not mean never change the oil — manufacturers recommend changing every 60,000 km to preserve gearbox life.
Approved Oils for TR690
Subaru Genuine 75W-90 / Motul Gear Competition 75W-90 / Castrol Syntrax Longlife
Manual Gearbox — Key Points
Manual gearbox: Drain on a warm gearbox for best flow. Fill to the level plug hole and refit immediately.
FAQ
What oil goes in Subaru Outback BS manual TR690?
Viscosity 75W-90, specification Subaru Extra MT 75W-90, volume 2.6 L. Suitable brands: Subaru Genuine 75W-90 / Motul Gear Competition 75W-90 / Castrol Syntrax Longlife.
When should the gearbox oil be changed on Subaru Outback BS manual?
Every 120000 km.
Can I use a universal ATF instead of Subaru Extra MT 75W-90?
No. The TR690 requires strict compliance with Subaru Extra MT 75W-90. A universal ATF lacks the correct friction characteristics and will cause premature wear.
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